Ubuntu Security Notice USN-6307-1 ≈ Packet Storm

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Ubuntu Security Notice USN-6307-1^[6]: Authored by Ubuntu ^[7] | Site security.ubuntu.com ^[8]; Ubuntu Security Notice 6307-1 - It was discovered that JOSE for C/C++ AES GCM decryption routine incorrectly uses the Tag length from the actual Authentication Tag provided in the JWE. An attacker could use this to cause a denial of service or might expose sensitive information.; systems | linux ^[9], ubuntu ^[10]; advisories | CVE-2023-37464 ^[11]; SHA-256 | 0fe1a24114e00e5ae9f25a559d718911b8f95a69aeb879b5dabc16383b1d3100; Download ^[12] | Favorite ^[13] | View ^[14]

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Ubuntu Security Notice USN-6307-1
August 24, 2023
cjose vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 23.04
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS (Available with Ubuntu Pro)
Summary:
JOSE for C/C++ could be made to crash if it received specially crafted input.
Software Description:
- cjose: C library implementing the JOSE standard (development files)
Details:
It was discovered that JOSE for C/C++ AES GCM decryption routine incorrectly
uses the Tag length from the actual Authentication Tag provided in the JWE.
An attacker could use this to cause a denial of service (system crash) or
might expose sensitive information.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 23.04:
libcjose0                       0.6.2.1-1ubuntu0.1
Ubuntu 22.04 LTS:
libcjose0                       0.6.1+dfsg1-3ubuntu1.1
Ubuntu 20.04 LTS:
libcjose0                       0.6.1+dfsg1-1ubuntu0.1
Ubuntu 18.04 LTS (Available with Ubuntu Pro):
libcjose0                       0.6.0+dfsg1-1ubuntu0.1~esm1
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-6307-1
CVE-2023-37464
Package Information:
https://launchpad.net/ubuntu/+source/cjose/0.6.2.1-1ubuntu0.1
https://launchpad.net/ubuntu/+source/cjose/0.6.1+dfsg1-3ubuntu1.1
https://launchpad.net/ubuntu/+source/cjose/0.6.1+dfsg1-1ubuntu0.1